The Operation Of a Counterflow Cooling Tower
At the top of the tower, hot water flows in and it is sprayed uniformly over the fill by a pressurised spray nozzle system. The air is ingested by means of louvers at the bottom of the tower, and forced vertically upwards to the top of the tower by a fan, never passing across it, but pushing it straight in the direction of the descending water. This direct air-water contact provides a more effective heat transfer per fill volume than a cross flow design, which means that a counterflow tower can provide a particular cooling range with a reduced footprint. Water at the bottom of the basin cools down but at the top, drift eliminators ensure that water in the air is not carried over to the rest of the air.
Counterflow Cooling Tower Suppliers in India
We are one of the most reliable Counterflow Cooling Tower Suppliers in India and maintain standard capacities in stock to be shipped and have the ability to provide towers designed to a specific flow rate, approach temperature or footprint. Purchasing with a supplier aware of the usage allows the tower you get to be selected to suit your real thermal load and location plan, rather than be the closest standard size in stock. Each tower has all the technical documentation, such as fan specifications, fill media information and general arrangement drawings, allowing your staff the necessary resources to start the work even before installation. Spares and replacement parts, such as fill media, drift eliminators and fan assemblies are stored separately, therefore maintenance does not become a lengthy outage.
Counterflow Cooling Tower Specifications
A tower should not be finalised without specification checked against your actual heat load and site conditions:
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Capacity range - 20 TR to 1000+ TR/cell, single or multiple cell.
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Casing material FRP construction which gives corrosion and weather resistance.
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Fill media - PVC film fill, chosen due to antiqueness to water quality and foliage.
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Type of fan — axial flow fans feature either gear reducer or direct drive.
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Water distribution - even fill spray nozzle system pressurised.
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Drift eliminators - PVC drift eliminators to restrict the carryover of water to design limits.
Cross Flow Cooling Tower vs Counterflow Cooling Tower: Major Differences
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Factor
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Counterflow Cooling Tower
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Cross Flow Cooling Tower
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Air flow path
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Vertical, opposite to falling water.
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Horizontal, across falling water
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Thermal efficiency
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Increased heat transfer per unit fill volume.
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A small decrease in per unit fill volume.
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Pumping head
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Increased, as a result of pressurised spray system.
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Lower, gravity-fed distribution
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Footprint
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Reduced in size with a certain capacity.
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Larger for the same capacity
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Fill maintenance access
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Smaller, fill is over the fan.
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Less difficult, fill sideways available.
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Best suited to
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Locations with a limited footprint and pumping capacity.
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Sites that emphasis low cost of pumping and convenient fill.
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Counterflow Cooling Tower Exporters in India
Being a proven Counterflow Cooling Tower Exporters in India, we provide industrial and commercial clients in the Gulf, Southeast Asia, Africa and other export markets. Each tower is dismantled and packed to be safely transported over long distances, shipped with all documentation, and supported by installation drawings and commissioning assistance no matter where it is shipped to. Material test certificates are carried with export consignments, and third-party inspection is offered via TUV, SGS or BV where it is a mandatory condition of the project of the buyer. Elements such as the fan assembly and the fill media, as well as FRP panels, are covered separately against handling damage and against moisture ingress. Our company liaises with freight forwarders and, in certain cases, with the local contractor of the buyer, such that the tower is delivered ready to be assembled on site easily.
Preventive Maintenance Checklist
Regular maintenance ensures thermal performance and service life of a counterflow tower:
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Spray nozzle inspection - ensure nozzle is not blocked or worn out, as pressurised distribution is more susceptible to nozzle condition than gravity-fed systems.
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Fill media inspection check scaling, algae growth or physical damage to lessen contact with surface.
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Drift eliminator condition — check cracks or movement that enhances the loss of water.
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Fan and motor test - check vibration, bearing and belt or gearbox wear.
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Basin cleaning - eliminate sediments and debris that limit the flow of water and encourage fouling.
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Pump and pressure test- verify that pressure of the spray system is in the design range to ensure uniform distribution.
Why Choose Us
Some of the reasons industrial and commercial purchasers continue to turn to us in order to fulfill their counterflow cooling tower need:
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Smoother thermal performance at a smaller area of site per footprint – greater cooling capacity per area of site than a cross flow design.
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Towers to your load - engineered to your load, at actual heat load, site conditions, not off a fixed catalogue.
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Construction across the board - designed to withstand corrosion and to last long in harsh conditions.
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Ready-to-export paperwork and packaging - complete commissioning assistance no matter the destination.
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After sales and maintenance services- spares, service and troubleshooting services after installation.
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Both custom and standard capacities are available – no coerced tradeoff between the size of stock and the real need.
In need of the Right Counterflow Cooling Tower?
Give us your heat load, flow rate and location, and we will make sure that you have the appropriate tower specification before ordering.
